名词
中文翻译：光通量等效同义词
同义词：
['luminous equivalent', 'luminous efficiency']
例句：
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1. The new LED light bulb has a luminous equivalent of 600 lumens.
这款新型LED灯泡的发光效率为600流明。
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2. The luminous equivalent of the sun is about 130 million times that of the moon.
太阳的发光效率大约是月亮的1.3亿倍。
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3. The luminous equivalent of the solar system's total energy output is around 4.5 petawatt-hours.
整个太阳系的能源输出的发光效率约为45太瓦时。